2-(3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetic acid

2-(3-氧代-2,3-二氢-4H-1,4-苯并恶嗪-4-基)乙酸

Also known as: 2-(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-4-yl)acetic acid, (3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetic acid, 2-(3-keto-1,4-benzoxazin-4-yl)acetic acid, 2-(3-oxo-1,4-benzoxazin-4-yl)ethanoic acid, 2-(3-oxo-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)acetic acid, 3-oxo-2,3-dihydro-4H-1,4-benzoxazine-4-acetic acid, 4-(carboxymethyl)-2H-1,4-benzoxazin-3(4H)-one, (2,3-dihydro-3-oxo-4H-1,4-benzoxazin-4-yl)acetic acid, (2,3-dihydro-3-oxobenzo[b][1,4]oxazin-4-yl)acetic acid

2-(3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetic acid (CAS 26494-55-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H9NO4 and a molecular weight of 207.18300 g/mol. It is also known as 2-(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-4-yl)acetic acid, (3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetic acid and 2-(3-keto-1,4-benzoxazin-4-yl)acetic acid. Key properties include a boiling point of 524ºC at 760 mmHg and a flash point of 270.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26494-55-3
Jingsj CID
J-39883-1
Molecular Formula
C10H9NO4
Chinese Name
2-(3-氧代-2,3-二氢-4H-1,4-苯并恶嗪-4-基)乙酸
Molecular Weight
207.18300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point524ºC at 760 mmHg
Flash Point270.7ºC

Frequently Asked Questions

What is the CAS number of 2-(3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetic acid?

The CAS number of 2-(3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetic acid is 26494-55-3.

What are the molecular formula and molecular weight of 2-(3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetic acid?

2-(3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetic acid has molecular formula C10H9NO4 and molecular weight 207.18300 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2-(3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)acetic acid (CAS 26494-55-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39883-1 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.